WO2021104817A1 - Dispositif d'éclairage pour véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile - Google Patents

Dispositif d'éclairage pour véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile Download PDF

Info

Publication number
WO2021104817A1
WO2021104817A1 PCT/EP2020/080952 EP2020080952W WO2021104817A1 WO 2021104817 A1 WO2021104817 A1 WO 2021104817A1 EP 2020080952 W EP2020080952 W EP 2020080952W WO 2021104817 A1 WO2021104817 A1 WO 2021104817A1
Authority
WO
WIPO (PCT)
Prior art keywords
led elements
lighting device
exit surfaces
led
light exit
Prior art date
Application number
PCT/EP2020/080952
Other languages
German (de)
English (en)
Inventor
Michael Kleinkes
Ingo Möllers
Wolfgang Pohlmann
Carsten Wilks
Original Assignee
HELLA GmbH & Co. KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HELLA GmbH & Co. KGaA filed Critical HELLA GmbH & Co. KGaA
Priority to CN202080082620.8A priority Critical patent/CN114746694A/zh
Publication of WO2021104817A1 publication Critical patent/WO2021104817A1/fr
Priority to US17/827,106 priority patent/US11808421B2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road

Definitions

  • Lighting device for a motor vehicle in particular with a higher resolution
  • the present invention relates to a lighting device for a motor vehicle, in particular a high-resolution headlight for a motor vehicle according to the preamble of claim 1.
  • a lighting device of the aforementioned type is known from EP 3026705 A1.
  • LED elements in a matrix arrangement are used as the LED light source for the targeted generation of pixels of a light distribution generated in the exterior of the motor vehicle.
  • the light exit surfaces of the individual LED elements are square.
  • square pixels In the case of pixelated LED light sources for matrix LED light modules in headlights, square pixels usually have a size of 40 ⁇ m or larger. Furthermore, the aspect ratio of the entire luminous surface of the LED light source formed by the light exit surfaces of the LED elements is 4 to 1 between the horizontal and vertical direction.
  • square pixels with a non-anamorphic projection optics result in narrow and long pixel projections on the street.
  • the pixels projected onto the street should be rather wide in the horizontal direction and rather short in the vertical direction.
  • the problem on which the present invention is based is to create a lighting device of the type mentioned at the outset which enables graphic symbols to be projected onto the road with little loss of efficiency.
  • the light exit surfaces of at least a plurality of the LED elements are each larger in the first direction than in the second direction.
  • graphic symbols can be projected onto the street in which the projected pixels are wider in the horizontal direction and wider in the vertical direction are shorter.
  • the light distribution generated during operation of the lighting device in the exterior of the motor vehicle has a width in the horizontal direction which is an angle range between -7 ° to + 7 ° and -15 ° to + 15 °, in particular an angle range of -10 ° to + 10 °.
  • the light distribution generated during operation of the lighting device in the exterior of the motor vehicle can have a height in the vertical direction which is an angle range between -5 ° to -3 ° and -8 ° to + 4 °, in particular an angle range from -6 ° to + 2 ° corresponds.
  • the horizontal width can be selected depending on the luminance and resolution requirements, taking into account the effect on the angular resolution per pixel.
  • the luminous surface of the LED light source formed by the light exit surfaces of the LED elements has an aspect ratio between the first and second direction or horizontal and vertical direction in the outer space between 10 to 7.5 and 10 to 2.5, in particular has an aspect ratio between first and second direction or horizontal and vertical direction in the outer space of 10 to 4.
  • aspect ratios mentioned the highest possible efficiency with a sensible illuminance and at the same time the largest and sensible pixel or angle resolutions possible should be achieved.
  • the luminous area formed by the light exit areas of the LED elements has a size between 15 mm 2 and 50 mm 2 , preferably has a size of 40 mm 2 .
  • the number of pixels in the light distribution generated during operation of the lighting device in the exterior of the motor vehicle can be between 20,000 and 50,000, for example 40,000 pixels. This allows graphic symbols to be displayed on the road with a high resolution.
  • the light exit surfaces of the plurality of LED elements which are each larger in the first direction than in the second direction, have an aspect ratio between the first and second direction or the horizontal and vertical direction in the outer space between 5: 2 and 3 to 2, in particular have an aspect ratio between the first and second direction or horizontal and vertical direction in the outer space of 4 to 2.
  • the pixel geometries and the luminous surface of the entire LED light source formed by the light exit surfaces of the LED elements can be combined in such a way that the lowest possible loss of efficiency due to edge effects in the LED elements can be expected.
  • the LED light source is designed as a solid-state LED array or comprises a solid-state LED array.
  • the light exit surfaces of a first plurality of the LED elements are each larger in the first direction than in the second direction and that the light exit surfaces of a second plurality of the LED elements are not larger in the first direction than in the second direction are, in particular wherein the light exit surfaces of the second plurality of LED elements are each the same size in the first direction and in the second direction.
  • the light exit surfaces of the first plurality of LED elements in the first direction can be arranged so differently from the light exit surfaces of the second plurality of LED elements that the pixels generated by the first plurality of LED elements are in the exterior of the motor vehicle generated light distribution in the vertical direction below the pixels generated by the second plurality of LED elements are arranged.
  • the light exit surfaces of the first plurality of LED elements are arranged in the first direction in such a way that the pixels generated by the first plurality of LED elements in the light distribution generated in the exterior of the motor vehicle in the vertical direction in an angular range of -8 ° to 0 °, in particular in an angular range of -6 ° to -1 °.
  • the light exit surfaces of the second plurality of LED elements are arranged in the first direction such that the pixels generated by the second plurality of LED elements in the light distribution generated in the exterior of the motor vehicle in the vertical direction in an angular range of -3 ° to + 4 °, in particular in an angular range of -1 ° to + 2 °.
  • the cut-off line in conventional headlights is located approximately in the range between -1 ° and 0 °, for example at approximately -0.57 °.
  • the lighting device comprises an integrated circuit for controlling the LED elements, in particular comprises an application-specific integrated circuit (ASIC), the first plurality of LED elements and the second plurality of LED elements being controlled identically , in particular the same number of transistors per LED element being used for driving the first plurality of LED elements and for driving the second plurality of LED elements, in particular two transistors per LED element.
  • ASIC application-specific integrated circuit
  • the lighting device comprises projection optics that are not anamorphic. By dispensing with an anamorphic design of the projection optics, these can be made simpler and more cost-effective.
  • 1a shows a schematic plan view of the luminous surface of the LED light source of a first embodiment of a lighting device according to the invention with light exit surfaces of individual LED elements that are not to scale;
  • FIG. 1b shows a detail according to the arrow Ib in FIG. 1a;
  • 1c shows a schematic illustration of a light distribution that can be generated by the first embodiment of a lighting device according to the invention
  • 2a shows a schematic plan view of the luminous surface of the LED light source of a second embodiment of a lighting device according to the invention with light exit surfaces of individual LED elements that are not to scale;
  • FIG. 2b shows a detail according to the arrow Mb in FIG. 2a;
  • FIG. 2c shows a schematic illustration of a light distribution that can be generated by the second embodiment of a lighting device according to the invention
  • Fig. 3a is a schematic plan view of the luminous surface of the LED
  • Light source of a third embodiment of a lighting device according to the invention Be with not to scale light exit surfaces of individual LED elements;
  • FIG. 3b shows a detail according to the arrow IIIb in FIG. 3a;
  • 3c shows a schematic illustration of a light distribution that can be generated by the third embodiment of a lighting device according to the invention.
  • 4a is a schematic plan view of the luminous surface of the LED
  • Light source of a fourth embodiment of a lighting device according to the invention Be with not to scale light exit surfaces of individual LED elements;
  • FIG. 4b shows a detail according to arrow IVb in FIG. 4a
  • 4c shows a detail according to arrow IVc in FIG. 4a
  • 4d shows a schematic illustration of a light distribution that can be generated by the fourth embodiment of a lighting device according to the invention
  • 5a shows a schematic plan view of the luminous surface of the LED light source of a fifth embodiment of a lighting device according to the invention with light exit surfaces of individual LED elements that are not to scale;
  • 5d shows a schematic illustration of a light distribution that can be generated by the fifth embodiment of a lighting device according to the invention.
  • 6c shows a schematic illustration of a light distribution that can be generated by the sixth embodiment of a lighting device according to the invention.
  • FIG. 7c shows a schematic illustration of a light distribution that can be generated by the seventh embodiment of a lighting device according to the invention.
  • the lighting device partially depicted in FIGS. 1a and 1b has LED elements with light exit surfaces 1 which are rectangular.
  • the dimension b in the first direction which corresponds to the horizontal in FIG. 1 a and in the light distribution projected into the outer space, is 50 ⁇ m.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 1a and in the light distribution projected into the outside space, is 20 pm (see FIG. 1b).
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution of 0.1 ° in the horizontal direction and 0.04 ° in the vertical direction.
  • the lighting device partially depicted in FIGS. 2a and 2b has LED elements with light exit surfaces 1 which are rectangular.
  • the dimension b in the first direction which corresponds to the horizontal in FIG. 2a and in the light distribution projected into the outer space, is 40 ⁇ m.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 2a and in the light distribution projected into the outside space, is 20 pm (see FIG. 2b).
  • the lighting device partially depicted in FIGS. 3a and 3b has LED elements with light exit surfaces 1 which are rectangular.
  • the dimension b in the first direction which corresponds to the horizontal in FIG. 3a and in the light distribution projected into the outer space, is 40 ⁇ m.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 3a and in the light distribution projected into the outside space, is 20 pm (see FIG. 3b).
  • LED elements with 40 ⁇ m wide light exit surfaces 1 are arranged next to one another, so that the dimension B of the luminous surface 2 of the LED light source is 8 mm in the first direction.
  • 160 LED elements with 20 ⁇ m high light exit surfaces 1 are arranged next to one another, so that the dimension H of the luminous surface 2 of the LED light source is 3.2 mm in the second direction (see FIG. 3a).
  • the number of LED elements and thus the number of pixels in the light distribution 3 is 32,000.
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution of 0.1 ° in the horizontal direction and 0.05 ° in the vertical direction.
  • the lighting device partially shown in Fig. 4a, Fig. 4b and Fig. 4c has in its lower part in Fig. 4a a first plurality of LED elements with light exit surfaces 1a, which are rectangular.
  • the dimension b is in the first direction, which corresponds to the horizontal in Fig. 4a and in the light distribution projected into the outside space, 40 pm.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 4a and in the light distribution projected into the outside space, is 20 ⁇ m (see FIG. 4c).
  • the lighting device partially shown in Fig. 4a, Fig. 4b and Fig. 4c has in its upper part in Fig. 4a a second plurality of LED elements with light exit surfaces 1b, which are square.
  • the dimension b in the first direction, which corresponds to the horizontal in FIG. 4a and in the light distribution projected into the outside space, is 40 pm.
  • the dimension h in the second direction, which corresponds to the vertical in FIG. 4a and in the light distribution projected into the outside space is also 40 ⁇ m (see FIG. 4b).
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution in the horizontal direction of 0.08 °. Furthermore, there is a resolution in the vertical direction of 0.08 ° in the upper part 3b of the light distribution 3 and a resolution in the vertical direction of 0.04 ° in the lower part 3a of the light distribution 3.
  • the lighting device partially shown in Fig. 5a, Fig. 5b and Fig. 5c has in its lower part in Fig. 5a a first plurality of LED elements with light exit surfaces 1a, which are rectangular.
  • the dimension b is in the first direction, which corresponds to the horizontal in Fig. 5a and in the light distribution projected into the outside space, 40 pm.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 5a and in the light distribution projected into the outside space, is 20 ⁇ m (see FIG. 5c).
  • the second plurality of LED elements 200 LED elements with 40 ⁇ m wide light exit surfaces 1b are arranged next to one another in the first direction, so that the dimension B of the luminous surface 2 of the LED light source is 8 mm in the first direction.
  • LED elements with 40 ⁇ m high light exit surfaces 1b are arranged next to one another in the second direction, so that the dimension H2 of the upper part 2b of the luminous surface 2 of the formed by the second plurality of LED elements LED light source in the second direction is 1.2 mm (see Fig. 5a).
  • the number of LED elements and thus the number of pixels in an upper part 3a of the light distribution 3 is 7,500.
  • the height H of the luminous surface 2 is 3.2 mm.
  • the number of pixels is 27,500.
  • This luminous surface 2 is converted into a Lichtver distribution 3 by projection into the exterior, which has a width in the horizontal direction that corresponds to an angle range of -10 ° to + 10 °, and the vertical direction has a height that corresponds to an angle range from -6 ° to + 2 ° (see Fig. 4d).
  • the lines corresponding to an angle of 0 ° are drawn in with HO and V0.
  • the upper part 3b of the light distribution 3 extends from -1 ° to + 2 °.
  • the lower part 3a of the light distribution 3 extends from -6 ° to -1 °.
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution in the horizontal direction of 0.1 °. Furthermore, there is a resolution in the vertical direction of 0.1 ° in the upper part 3b of the light distribution 3 and a resolution in the vertical direction of 0.05 ° in the lower part 3a of the light distribution 3.
  • particularly efficient and bright pixels that do not have to be flat can also be used in the upper part 3b of the light distribution 3, in particular above the light-dark boundary typically located at about -0.57 °.
  • Square light exit surfaces 1a of the LED elements are used for these pixels.
  • flatter and wider pixels can be generated to optimize the projection of symbols, which are generated by rectangular light exit surfaces 1b.
  • the lighting device partially depicted in FIGS. 6a and 6b has LED elements with light exit surfaces 1 which are rectangular.
  • the dimension b is in the first direction, that in FIG. 6a and that in the outer space projected light distribution corresponds to the horizontal, 40 pm.
  • the dimension h in the second direction which corresponds to the vertical in FIG. 6a and in the light distribution projected into the outside space, is 20 ⁇ m (see FIG. 6b).
  • the first direction 200 LED elements with 40 ⁇ m wide light exit surfaces 1 are arranged next to one another, so that the dimension B of the luminous surface 2 of the LED light source is 8 mm in the first direction.
  • 100 LED elements with 20 ⁇ m high light exit surfaces 1 are arranged next to one another, so that the dimension H of the luminous surface 2 of the LED light source is 2 mm in the second direction (see FIG. 6a).
  • the number of LED elements and thus the number of pixels in the light distribution 3 is 20,000.
  • This luminous surface 2 is converted into a Lichtver distribution 3 by projection into the exterior, which has a width in the horizontal direction that corresponds to an angle range of -10 ° to + 10 °, and the vertical direction has a height that corresponds to an angle range from -6 ° to -2 ° (see Fig. 6c).
  • the lines corresponding to an angle of 0 ° are drawn in with HO and V0.
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution of 0.1 ° in the horizontal direction and 0.05 ° in the vertical direction.
  • Such a lighting device can only be used to project symbols or the like into an area below the cut-off line, with no light being projected into the area above the cut-off line.
  • 125 LED elements with 20 ⁇ m high light exit surfaces 1 are arranged next to one another, so that the dimension H of the luminous surface 2 of the LED light source is 2.5 mm in the second direction (see FIG. 7a).
  • the number of LED elements and thus the number of pixels in the light distribution 3 is 31,250.
  • This luminous surface 2 is converted into a Lichtver distribution 3 by projection into the exterior, which has a width in the horizontal direction that corresponds to an angle range of -10 ° to + 10 °, and the vertical direction has a height that corresponds to an angle range from -6 ° to -2 ° (see Fig. 7c).
  • the lines corresponding to an angle of 0 ° are drawn in with HO and V0.
  • the number of pixels and the projection into the aforementioned angular ranges result in a resolution of 0.08 ° in the horizontal direction and 0.04 ° in the vertical direction.
  • Such a lighting device can also serve to project only symbols or the like into an area below the light-dark boundary, with no light being projected into the area above the light-dark boundary.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne un dispositif d'éclairage pour un véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile, comprenant une source de lumière à DEL avec une pluralité d'éléments de DEL, les surfaces de sortie de lumière (1, 1a, 1b) sont utilisées pour produire des pixels d'une distribution de lumière (3) de manière contrôlée, ladite distribution de lumière étant générée à l'extérieur du véhicule automobile pendant le fonctionnement du dispositif d'éclairage, les surfaces de sortie de lumière (1, 1a, 1b) sont agencées dans une première direction et dans une seconde direction perpendiculaire à la première direction sous la forme d'une matrice. La première direction dans la distribution de lumière (3) générée à l'extérieur du véhicule automobile correspond à la direction horizontale, et la seconde direction dans la distribution de lumière (3) générée à l'extérieur du véhicule automobile correspond à la direction verticale, chacune des surfaces de sortie de lumière (1, 1a) d'au moins une pluralité d'éléments de DEL est plus grande dans la première direction que dans la seconde direction.
PCT/EP2020/080952 2019-11-28 2020-11-04 Dispositif d'éclairage pour véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile WO2021104817A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080082620.8A CN114746694A (zh) 2019-11-28 2020-11-04 用于机动车的照明装置，特别是用于机动车的高分辨率前照灯
US17/827,106 US11808421B2 (en) 2019-11-28 2022-05-27 High-resolution headlight for a motor vehicle having matrix of LED light sources generating a pixelated light distribution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019132236.7A DE102019132236A1 (de) 2019-11-28 2019-11-28 Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere hochauflösender Scheinwerfer für ein Kraftfahrzeug
DE102019132236.7 2019-11-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/827,106 Continuation US11808421B2 (en) 2019-11-28 2022-05-27 High-resolution headlight for a motor vehicle having matrix of LED light sources generating a pixelated light distribution

Publications (1)

Publication Number Publication Date
WO2021104817A1 true WO2021104817A1 (fr) 2021-06-03

Family

ID=73131765

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/080952 WO2021104817A1 (fr) 2019-11-28 2020-11-04 Dispositif d'éclairage pour véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile

Country Status (4)

Country Link
US (1) US11808421B2 (fr)
CN (1) CN114746694A (fr)
DE (1) DE102019132236A1 (fr)
WO (1) WO2021104817A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022131091A1 (de) 2022-11-24 2024-05-29 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3026705A1 (fr) 2014-11-25 2016-06-01 Stanley Electric Co., Ltd. Dispositif de diode électroluminescente
DE102015016375A1 (de) * 2015-12-17 2017-06-22 Audi Ag System und Verfahren zur objektbasierten Ansteuerung eines hochauflösenden Scheinwerfers für ein Kraftfahrzeug
JP2017193257A (ja) * 2016-04-20 2017-10-26 スタンレー電気株式会社 車両用照明方法および車両用灯具
DE102016210048A1 (de) * 2016-06-08 2017-12-14 Osram Gmbh Lichtquellenanordnung für ein fahrzeug und beleuchtungseinrichtung für ein fahrzeug mit der lichtquellenanordnung
DE102017211430A1 (de) * 2017-07-05 2019-01-10 Audi Ag Steuern eines Pixelscheinwerfers eines auf einem Fahrweg angeordneten Kraftfahrzeugs
US20190145596A1 (en) * 2017-10-13 2019-05-16 Koito Manufacturing Co., Ltd. Vehicle lamp
DE102017128125A1 (de) * 2017-11-28 2019-05-29 Osram Opto Semiconductors Gmbh Scheinwerfer und Betriebsverfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20030610A1 (it) 2003-08-05 2005-02-06 Fiat Ricerche Disposizione di illuminamento a profondita' ridotta per
DE102008025397A1 (de) * 2008-05-28 2009-12-24 Osram Gesellschaft mit beschränkter Haftung Fahrzeugbeleuchtungsvorrichtung mit mindestens zwei Halbleiter-Leuchtelementen
JP6865396B2 (ja) * 2017-02-27 2021-04-28 パナソニックＩｐマネジメント株式会社 照明装置、照明システム、及び移動体
DE102019118381A1 (de) * 2019-07-08 2021-01-14 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung und Homogenisierungsverfahren für Fahrzeuge

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3026705A1 (fr) 2014-11-25 2016-06-01 Stanley Electric Co., Ltd. Dispositif de diode électroluminescente
DE102015016375A1 (de) * 2015-12-17 2017-06-22 Audi Ag System und Verfahren zur objektbasierten Ansteuerung eines hochauflösenden Scheinwerfers für ein Kraftfahrzeug
JP2017193257A (ja) * 2016-04-20 2017-10-26 スタンレー電気株式会社 車両用照明方法および車両用灯具
DE102016210048A1 (de) * 2016-06-08 2017-12-14 Osram Gmbh Lichtquellenanordnung für ein fahrzeug und beleuchtungseinrichtung für ein fahrzeug mit der lichtquellenanordnung
DE102017211430A1 (de) * 2017-07-05 2019-01-10 Audi Ag Steuern eines Pixelscheinwerfers eines auf einem Fahrweg angeordneten Kraftfahrzeugs
US20190145596A1 (en) * 2017-10-13 2019-05-16 Koito Manufacturing Co., Ltd. Vehicle lamp
DE102017128125A1 (de) * 2017-11-28 2019-05-29 Osram Opto Semiconductors Gmbh Scheinwerfer und Betriebsverfahren

Also Published As

Publication number Publication date
CN114746694A (zh) 2022-07-12
US11808421B2 (en) 2023-11-07
US20220290827A1 (en) 2022-09-15
DE102019132236A1 (de) 2021-06-02

Similar Documents

Publication Publication Date Title
EP3330597B1 (fr) Optique primaire, optique secondaire, module, dispositif, phares de véhicule automobile et système de phares
DE102016112617B3 (de) Kraftfahrzeugscheinwerfer mit geringer Bautiefe
DE3024040C2 (fr)
AT514161B1 (de) Leuchteinheit mit Blende mit zumindest einem Lichtfenster
DE10314524A1 (de) Scheinwerfer und Scheinwerferelement
DE102006020961A1 (de) Scheinwerfer für Fahrzeuge
DE102010021937A1 (de) LED-Projektionsmodul für einen Fahrzeugscheinwerfer
EP3372890B1 (fr) Module de phare de véhicule automobile
DE102018217213A1 (de) Fernlichtscheinwerfer
DE102012108309A1 (de) Scheinwerfer für Fahrzeuge
DE102013114264A1 (de) Scheinwerfer für Fahrzeuge
EP4217646B1 (fr) Dispositif d'éclairage pour un phare de véhicule automobile
DE102013217597A1 (de) Beleuchtungseinrichtung
DE102011054230A1 (de) Beleuchtungsvorrichtung für Fahrzeuge
WO2021104817A1 (fr) Dispositif d'éclairage pour véhicule automobile, en particulier un phare haute résolution pour un véhicule automobile
DE102016108776A1 (de) Optische Anordnung und Anzeigegerät
DE102020119939A1 (de) Scheinwerfer für ein Fahrzeug und Fahrzeug mit einem solchen Scheinwerfer
DE212015000250U1 (de) Leiterplatte mit einer Mehrzahl von an der Leiterplatte in zumindest einer Gruppe angeordneter elektronischer Bauteile
DE102014110282A1 (de) Beleuchtungsvorrichtung für Fahrzeuge
DE102013113148A1 (de) Beleuchtungsvorrichtung für Fahrzeuge
DE102008047728B4 (de) Scheinwerfer für Kraftfahrzeuge
WO2023031012A1 (fr) Dispositif d'éclairage pour un véhicule à moteur
EP4363762A1 (fr) Module de phare d'un phare, phare et véhicule comprenant le phare
DE102019102475A1 (de) Beleuchtungsvorrichtung für ein Kraftfahrzeug, insbesondere hochauflösender Scheinwerfer
DE102020110900A1 (de) Beleuchtungsvorrichtung für Fahrzeuge

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20801259

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20801259

Country of ref document: EP

Kind code of ref document: A1